CN107245683A - Forge organizational controls method in nickel-base alloy footpath - Google Patents
Forge organizational controls method in nickel-base alloy footpath Download PDFInfo
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- CN107245683A CN107245683A CN201710429044.XA CN201710429044A CN107245683A CN 107245683 A CN107245683 A CN 107245683A CN 201710429044 A CN201710429044 A CN 201710429044A CN 107245683 A CN107245683 A CN 107245683A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
Abstract
Organizational controls method is forged the invention discloses a kind of nickel-base alloy footpath, is comprised the following steps：A) Nickel base alloy cast ingot, is prepared；B), the ingot casting prepared is heated；C), the footpath that the ingot casting after heating is carried out into multiple passages is forged, wherein, forged for the footpath of the passage of preceding preset number, forging deformation amount controlling is carried out according to equation below：In n-th pass deformation (%)=(T × ln (Q/m))/K, formula：N be passage numerical value, value be 1,2 ... preset number；T is the n-th passage forging temperature (DEG C)；Q is alloy dynamic recrystallization activation energy (KJ/mol)；M is forging frequency (secondary)；K is dimensionless factor (mol/ (KJ DEG C)), value 100.Forge organizational controls method in the nickel-base alloy footpath, it is possible to achieve nickel-base alloy footpath forging tissue is effectively controlled in forging process.Therefore, organizational controls method is forged using nickel-base alloy footpath, can quickly formulates deformation technique system according to different steel grade characteristics, the problems such as effectively to solve impermeable forging, footpath forging tissue mixed crystal.
Description
Technical field
The present invention relates to metallurgical technology field, more particularly to a kind of nickel-base alloy footpath forging organizational controls method.
Background technology
With the development of modern industrial society, nickel base superalloy navigates because of its excellent performance in petrochemical industry, aviation
My god, energy field be widely used, the demand to forging is also growing day by day.It is Ni-based to meet the demand of industrial development
The output of high temperature alloy is also being continuously increased.Nickel-base alloy is due to alloying element content is high, Deformation Resistance is big, can
A series of features such as processing temperature interval is narrow, forging tissue is difficult to control to, are always a great problem in terms of hot-working.
For nickel-base alloy forging, generally produced using open die forging or footpath forging mode.For flat-die forging, generally
Using multiple upset, pulling technique, so that its as-cast structure is crushed completely, crystal grain is tiny and uniform.But, flat-die forging is not
Can a fire complete, and forging's block dimension precision is poor, and restricted to ratio of height to diameter, surface is easy to crack, forging process human factor compared with
It is many, lumber recovery and low production efficiency.And for footpath forging process, its great advantage be appearance and size can accurately control, quasi- isothermal
Forging, one-heating forming, production efficiency are high, are FMTs relatively advanced at present.But, because footpath forging is simply similar to freely
The pulling process of forging, therefore its interior tissue form is not easily controlled, and due to the limitation of diameter forging machine load, every time deflection
Can not be excessive.But, passage is forged for each footpath, the crucial footpath forging passage of especially preceding several influence forging institutional frameworks
Forging deformation amount controlling is extremely difficult to be held, so forging often occurs forging the phenomenons such as impermeable, mixed crystal, so as to Post isothermal treatment tissue
Adjustment brings adverse effect.
The content of the invention
Have in view of that, the present invention provides a kind of nickel-base alloy footpath forging organizational controls method, to solve to forge impermeable, footpath forging tissue
Mixed crystal problem.
A kind of nickel-base alloy footpath forging organizational controls method is provided according to the present invention, is comprised the following steps：
A) Nickel base alloy cast ingot, is prepared；
B), the ingot casting prepared is heated；
C), the footpath that the ingot casting after heating is carried out into multiple passages is forged, wherein, for the passage of preceding preset number
Footpath forging, forging deformation amount controlling is carried out according to equation below：
N-th pass deformation (%)=(T × ln (Q/m))/K,
In formula：N be passage numerical value, value be 1,2 ... preset number；T is the n-th passage forging temperature (DEG C)；Q is conjunction
Golden dynamic recrystallization activation energy (KJ/mol)；M is forging frequency (secondary)；K is dimensionless factor (mol/ (KJ DEG C)), value
100。
Preferably, the value Q of the alloy dynamic recrystallization activation energy passes through to hot compression sample tissue and stress-strain
Curve generalization analysis is obtained.
Preferably, the hot compression sample tissue is collected in the head of the Nickel base alloy cast ingot prepared in the step a)
Portion or afterbody.
Preferably, described is that the value of the n-th passage forging temperature (DEG C) is calculated through equation below：
N-th passage forging temperature T (DEG C)=- 120 DEG C of-n × 20 DEG C of ingot casting tapping temperature (DEG C)；In formula：N is road number of times
Value, value be 1,2 ... preset number.
Preferably, in the step a), smelted using vacuum induction+technique of electroslag remelting or vacuum induction smelt+
The technique of vacuum consumable prepares Nickel base alloy cast ingot.
Preferably, it is described b) in, be to the process that the ingot casting prepared is heated：
The ingot casting is heated to preset temperature, and preset duration is incubated under preset temperature.
Preferably, in the step c), the footpath that the ingot casting after heating is carried out into multiple passages is forged, and completes footpath forging
After process, total forging ratio is more than 2.
Preferably,
In the step c), in the footpath forging process to the passage of preceding preset number, to the forging deflection of each passage
Control range be 12%-30%.
Preferably, the preset number is 4.
Forge organizational controls method in the nickel-base alloy footpath provided according to the present invention, it is possible to achieve to nickel-base alloy in forging process
Footpath forging tissue is effectively controlled.Therefore, organizational controls method is forged using nickel-base alloy footpath, can be according to different steel grade characteristics, quickly
Deformation technique system is formulated, the problems such as effectively to solve impermeable forging, footpath forging tissue mixed crystal.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described.In all of the figs, similar element
Or part is general by similar reference mark.In accompanying drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 show according to embodiments of the present invention one to embodiment three process chart.
Fig. 2 shows that tissue is forged in the footpath obtained according to existing conventional footpath forging process.
Fig. 3 shows the footpath forging tissue that nickel-base alloy footpath forging organizational controls method according to embodiments of the present invention is obtained.
Embodiment
The embodiment of technical solution of the present invention is described in detail below in conjunction with accompanying drawing.Following examples are only used for
Clearly illustrate technical scheme, therefore be only used as example, and the protection model of the present invention can not be limited with this
Enclose.
With reference to Fig. 1, organizational controls method is forged to nickel-base alloy footpath below by embodiment one, embodiment two and embodiment three
It is described in detail.
Embodiment one
In the embodiment, nickel-base alloy footpath forging organizational controls method comprises the following steps：
S01 Nickel base alloy cast ingot), is prepared；
Specifically, using VIM+ESR techniques, i.e., vacuum induction smelting+electroslag remelting process prepares Nickel base alloy cast ingot.When
So, also Nickel base alloy cast ingot can be prepared using VIM+VAR techniques, i.e. vacuum induction smelting+vacuum consumable.In the embodiment, system
A diameter of φ 360mm of standby Nickel base alloy cast ingot, i.e. ingot casting original dimension are φ 360mm.The main component quality of the ingot casting
Per distribution ratio is：Ni bases, 22%Cr, 12%Co, 9%Mo, 1.2%Al, 0.44%Ti.
S02), the ingot casting prepared is heated；
Specifically, when the ingot casting is put into heating furnace and is heated to preset temperature, and be incubated default under preset temperature
It is long.In the embodiment, preset temperature is 1200 DEG C, and preset duration is 2 hours.
S03), the footpath that the ingot casting after heating is carried out into multiple passages is forged, wherein, for the road of preceding preset number
Secondary footpath forging, is carried out to forging deformation amount controlling according to equation below：
N-th pass deformation (%)=(T × ln (Q/m))/K,
In formula：N be passage numerical value, value be 1,2 ... preset number；T is the n-th passage forging temperature (DEG C)；Q is conjunction
Golden dynamic recrystallization activation energy (KJ/mol)；M is forging frequency (secondary)；K is dimensionless factor (mol/ (KJ DEG C)), value
100。
Deformation of the nickel-base alloy in the high temperature starting stage has decisive influence to final finished tissue.Therefore, the implementation
In example, preset number is chosen for 4, i.e., the forging deflection of the footpath forging of preceding 4 passages is controlled.Therefore, in order to realize pair
Nickel-base alloy footpath forging tissue is effectively controlled, and the deflection of preceding 4 passage activates energy, passage deformation temperature, forging by dynamic recrystallization
Frequency is calculated jointly.Every time deflection need to be met simultaneously not less than 12%, to ensure that as-cast structure can be crushed, and
No more than 30%, in order to avoid forging crack.
Specifically, first from the head of the Nickel base alloy cast ingot prepared or tail bleeds taken ingot casting sample, and to heat
Sample tissue and load-deformation curve comprehensive analysis are compressed, the value Q of the alloy dynamic recrystallization activation energy is obtained.Dynamic
Recrystallization activation energy numerical value can also be obtained in the document published at present.Be preferably herein to hot compression sample tissue and
Load-deformation curve comprehensive analysis obtains the value Q of alloy dynamic recrystallization activation energy.In the embodiment, its dynamic is computed again
Crystallization activation can be 549KJ/mol.
The n-th passage forging temperature T (DEG C) value is calculated, the value for being the n-th passage forging temperature T (DEG C) is through equation below
Calculate：
N-th passage forging temperature T (DEG C)=- 120 DEG C of-n × 20 DEG C of ingot casting tapping temperature (DEG C)；
In formula：N is passage numerical value, and value is 1,2,3,4.In the formula, value and the step S02 of ingot casting tapping temperature) in
Preset temperature value is identical, is all 1200 DEG C.
By the 1st passage forging temperature obtained by above formula, the 2nd passage forging temperature, the 3rd passage forging temperature, the 4th road
Secondary forging temperature, and the numerical value 549KJ/mol of dynamic recrystallization activation energy bring equation below into respectively：
N-th pass deformation (%)=(T × ln (Q/m))/K,
In formula：N be passage numerical value, value be 1,2 ... preset number；T is the n-th passage forging temperature (DEG C)；Q is conjunction
Golden dynamic recrystallization activation energy (KJ/mol)；M is forging frequency (secondary)；K is dimensionless factor (mol/ (KJ DEG C)), value
100。
Calculated according to above formula in the forging process of footpath, the forging deflection of first to fourth passage is：
1st pass deformation (%)=((1200-120-1 × 20) × ln (549/160))/100=13%；
2nd pass deformation (%)=((1200-120-2 × 20) × ln (549/120))/100=16%；
3rd pass deformation (%)=((1200-120-3 × 20) × ln (549/80))/100=20%；
4th pass deformation (%)=((1200-120-4 × 20) × ln (549/100))/100=17%；
By above-mentioned result of calculation, forged for the footpath of first to fourth passage, forging deformation amount controlling 12%-
In the range of 30%, meet the overall control requirement of forging deflection.
The forging deformation amount controlling value obtained according to above-mentioned calculating treats forging, i.e. ingot casting and carries out first to fourth passage
Footpath is forged, and is then performed according to follow-up normal process, carries out the processes such as the forging and heat treatment of follow-up multiple passages.Wherein,
Finish-forging size is φ 230mm, and forging ratio is 2.44.Gained forges ingot even tissue, eliminates impermeable, footpath forging tissue mixed crystal of forging etc. and asks
Topic, and forging tissue grain size can be controlled to a certain extent.The forging ingot was both broken without as-cast structure, also without forging
Cracking phenomena, it is achieved thereby that effectively being controlled nickel-base alloy footpath forging tissue in forging process.
Embodiment two
In the embodiment, nickel-base alloy footpath forging organizational controls method comprises the following steps：
S01 Nickel base alloy cast ingot), is prepared；
Specifically, using VIM+ESR techniques, i.e., vacuum induction smelting+electroslag remelting process prepares Nickel base alloy cast ingot.When
So, also Nickel base alloy cast ingot can be prepared using VIM+VAR techniques, i.e. vacuum induction smelting+vacuum consumable technique.The embodiment
In, a diameter of φ 360mm of the Nickel base alloy cast ingot of preparation, i.e. ingot casting original dimension are φ 360mm.The main component of the ingot casting
Percent mass proportioning is：Ni bases, 22%Cr, 9%Mo, 5%Nb, 0.2%Ti.
S02), the ingot casting prepared is heated；
Specifically, when the ingot casting is put into heating furnace and is heated to preset temperature, and be incubated default under preset temperature
It is long.In the embodiment, preset temperature is 1200 DEG C, and preset duration is 2.5 hours.
S03), the footpath that the ingot casting after heating is carried out into multiple passages is forged, wherein, for the road of preceding preset number
Secondary footpath forging, is carried out to forging deformation amount controlling according to equation below：
N-th pass deformation (%)=(T × ln (Q/m))/K,
In formula：N be passage numerical value, value be 1,2 ... preset number；T is the n-th passage forging temperature (DEG C)；Q is conjunction
Golden dynamic recrystallization activation energy (KJ/mol)；M is forging frequency (secondary)；K is dimensionless factor (mol/ (KJ DEG C)), value
100。
Deformation of the nickel-base alloy in the high temperature starting stage has decisive influence to final finished tissue.Therefore, the implementation
In example, preset number is chosen for 4, i.e., the forging deflection of the footpath forging of preceding 4 passages is controlled.Therefore, in order to realize pair
Nickel-base alloy footpath forging tissue is effectively controlled, and the deflection of preceding 4 passage activates energy, passage deformation temperature, forging by dynamic recrystallization
Frequency is calculated jointly.Every time deflection need to be met simultaneously not less than 12%, to ensure that as-cast structure can be crushed, and
No more than 30%, in order to avoid forging crack.
Specifically, first from the head of the Nickel base alloy cast ingot prepared or tail bleeds taken ingot casting sample, and to heat
Sample tissue and load-deformation curve comprehensive analysis are compressed, the value Q of the alloy dynamic recrystallization activation energy is obtained.Dynamic
Recrystallization activation energy numerical value can also be obtained in the document published at present.Be preferably herein to hot compression sample tissue and
Load-deformation curve comprehensive analysis obtains the value Q of alloy dynamic recrystallization activation energy.In the embodiment, its dynamic is computed again
Crystallization activation can be 522KJ/mol.
The n-th passage forging temperature T (DEG C) value is calculated, the value for being the n-th passage forging temperature T (DEG C) is through equation below
Calculate：
N-th passage forging temperature T (DEG C)=- 120 DEG C of-n × 20 DEG C of ingot casting tapping temperature (DEG C)；
In formula：N is passage numerical value, and value is 1,2,3,4.In the formula, value and the step S02 of ingot casting tapping temperature) in
Preset temperature value is identical, is all 1200 DEG C.
By the 1st passage forging temperature obtained by above formula, the 2nd passage forging temperature, the 3rd passage forging temperature, the 4th road
Secondary forging temperature, and the numerical value 522KJ/mol of dynamic recrystallization activation energy bring equation below into respectively：
N-th pass deformation (%)=(T × ln (Q/m))/K,
In formula：N be passage numerical value, value be 1,2 ... preset number；T is the n-th passage forging temperature (DEG C)；Q is conjunction
Golden dynamic recrystallization activation energy (KJ/mol)；M is forging frequency (secondary)；K is dimensionless factor (mol/ (KJ DEG C)), value
100。
Calculate in the forging process of footpath, the forging deflection of first to fourth passage is：
1st pass deformation (%)=((1200-120-1 × 20) × ln (522/120))/100=16%；
2nd pass deformation (%)=((1200-120-2 × 20) × ln (522/80))/100=19.5%；
3rd pass deformation (%)=((1200-120-3 × 20) × ln (522/80))/100=19%；
4th pass deformation (%)=((1200-120-4 × 20) × ln (522/100))/100=16.5%；
By above-mentioned result of calculation, forged for the footpath of first to fourth passage, forging deformation amount controlling 12%-
In the range of 30%, meet the overall control requirement of forging deflection.
The forging deformation amount controlling value obtained according to above-mentioned calculating treats forging, i.e. ingot casting and carries out first to fourth passage
Footpath is forged, and is then performed according to follow-up normal process, carries out the processes such as the forging and heat treatment of follow-up multiple passages.Wherein,
Finish-forging size is φ 210mm, and forging ratio is 2.90.Gained forges ingot even tissue, eliminates impermeable, footpath forging tissue mixed crystal of forging etc. and asks
Topic, and forging tissue grain size can be controlled to a certain extent.The forging ingot was both broken without as-cast structure, was also opened without forging
Phenomenon is split, it is achieved thereby that effectively being controlled nickel-base alloy footpath forging tissue in forging process.
Embodiment three
In the embodiment, nickel-base alloy footpath forging organizational controls method comprises the following steps：
S01 Nickel base alloy cast ingot), is prepared；
Specifically, using VIM+ESR techniques, i.e., vacuum induction smelting+electroslag remelting process prepares Nickel base alloy cast ingot.When
So, also Nickel base alloy cast ingot can be prepared using VIM+VAR techniques, i.e. vacuum induction smelting+vacuum consumable technique.The embodiment
In, a diameter of φ 360mm of the Nickel base alloy cast ingot of preparation, i.e. ingot casting original dimension are φ 360mm.The main component of the ingot casting
Percent mass proportioning is：Ni bases, 25%Cr, 20%Co, 0.5%Mo, 1.5%Nb, 1.3%Ti, 1.3%Al.
S02), the ingot casting prepared is heated；
Specifically, when the ingot casting is put into heating furnace and is heated to preset temperature, and be incubated default under preset temperature
It is long.In the embodiment, preset temperature is 1220 DEG C, and preset duration is 2 hours.
S03), the footpath that the ingot casting after heating is carried out into multiple passages is forged, wherein, for the road of preceding preset number
Secondary footpath forging, is carried out to forging deformation amount controlling according to equation below：
N-th pass deformation (%)=(T × ln (Q/m))/K,
In formula：N be passage numerical value, value be 1,2 ... preset number；T is the n-th passage forging temperature (DEG C)；Q is conjunction
Golden dynamic recrystallization activation energy (KJ/mol)；M is forging frequency (secondary)；K is dimensionless factor (mol/ (KJ DEG C)), value
100。
Deformation of the nickel-base alloy in the high temperature starting stage has decisive influence to final finished tissue.Therefore, the implementation
In example, preset number is chosen for 4, i.e., the forging deflection of the footpath forging of preceding 4 passages is controlled.Therefore, in order to realize nickel
Based alloy footpath forging tissue is effectively controlled, and the deflection of preceding 4 passage activates energy, passage deformation temperature, forging frequency by dynamic recrystallization
Rate is calculated jointly.Every time deflection need to be met simultaneously not less than 12%, to ensure that as-cast structure can be crushed, and not
More than 30%, in order to avoid forging crack.
Specifically, first from the head of the Nickel base alloy cast ingot prepared or tail bleeds taken ingot casting sample, and to heat
Sample tissue and load-deformation curve comprehensive analysis are compressed, the value Q of the alloy dynamic recrystallization activation energy is obtained.Dynamic
Recrystallization activation energy numerical value can also be obtained in the document published at present.Be preferably herein to hot compression sample tissue and
Load-deformation curve comprehensive analysis obtains the value Q of alloy dynamic recrystallization activation energy.In the embodiment, its dynamic is computed again
Crystallization activation can be 537KJ/mol.
The n-th passage forging temperature T (DEG C) value is calculated, the value for being the n-th passage forging temperature T (DEG C) is through equation below
Calculate：
N-th passage forging temperature T (DEG C)=- 120 DEG C of-n × 20 DEG C of ingot casting tapping temperature (DEG C)；
In formula：N is passage numerical value, and value is 1,2,3,4.In the formula, value and the step S02 of ingot casting tapping temperature) in
Preset temperature value is identical, is all 1220 DEG C.
By the 1st passage forging temperature obtained by above formula, the 2nd passage forging temperature, the 3rd passage forging temperature, the 4th road
Secondary forging temperature, and the numerical value 537KJ/mol of dynamic recrystallization activation energy bring equation below into respectively：
N-th pass deformation (%)=(T × ln (Q/m))/K,
In formula：N be passage numerical value, value be 1,2 ... preset number；T is the n-th passage forging temperature (DEG C)；Q is conjunction
Golden dynamic recrystallization activation energy (KJ/mol)；M is forging frequency (secondary)；K is dimensionless factor (mol/ (KJ DEG C)), value
100。
Calculate in the forging process of footpath, the forging deflection of first to fourth passage is：
1st pass deformation (%)=((1220-120-1 × 20) × ln (537/100))/100=18%；
2nd pass deformation (%)=((1220-120-2 × 20) × ln (537/140))/100=14%；
3rd pass deformation (%)=((1220-120-3 × 20) × ln (537/80))/100=20%；
4th pass deformation (%)=((1220-120-4 × 20) × ln (537/80))/100=19.5%；
By above-mentioned result of calculation, forged for the footpath of first to fourth passage, forging deformation amount controlling 12%-
In the range of 30%, meet the overall control requirement of forging deflection.
The forging deformation amount controlling value obtained according to above-mentioned calculating treats forging, i.e. ingot casting and carries out first to fourth passage
Footpath is forged, and is then performed according to follow-up normal process, carries out the processes such as the forging and heat treatment of follow-up multiple passages.Wherein,
Finish-forging size is φ 230mm, and forging ratio is 2.44.Gained forges ingot even tissue, eliminates impermeable, footpath forging tissue mixed crystal of forging etc. and asks
Topic, and forging tissue grain size can be controlled to a certain extent.The forging ingot was both broken without as-cast structure, was also opened without forging
Phenomenon is split, it is achieved thereby that effectively being controlled nickel-base alloy footpath forging tissue in forging process.
Conventional footpath forging and footpath forging tissue contrast's figure that footpath of the present invention forging technology is obtained are as follows, and wherein Fig. 2 is conventional footpath forging side
Method, Fig. 3 forging organizational controls methods in nickel-base alloy footpath according to embodiments of the present invention.It is somebody's turn to do by real contrast it can be found that using
Forge organizational controls method in nickel-base alloy footpath, it is possible to achieve nickel-base alloy footpath forging tissue is effectively controlled in forging process.Therefore, it is sharp
Organizational controls method is forged with nickel-base alloy footpath, deformation technique system can be quickly formulated according to different steel grade characteristics, effectively disappear
Except the problems such as forging is impermeable, tissue mixed crystal is forged in footpath.
It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme, it all should cover among the claim of the present invention and the scope of specification.Especially, as long as in the absence of knot
Structure conflicts, and the every technical characteristic being previously mentioned in each embodiment can combine in any way.The present invention does not limit to
In specific embodiment disclosed herein, but all technical schemes including falling within the scope of the appended claims.
Claims (9)
1. organizational controls method is forged in a kind of nickel-base alloy footpath, it is characterised in that comprised the following steps：
A) Nickel base alloy cast ingot, is prepared；
B), the ingot casting prepared is heated；
C), the footpath that the ingot casting after heating is carried out into multiple passages is forged, wherein, for the footpath of the passage of preceding preset number
Forging, is carried out to forging deformation amount controlling according to equation below：
N-th pass deformation (%)=(T × ln (Q/m))/K,
In formula：N be passage numerical value, value be 1,2 ... preset number；T is the n-th passage forging temperature (DEG C)；Q is dynamic for alloy
State recrystallization activation energy (KJ/mol)；M is forging frequency (secondary)；K is dimensionless factor (mol/ (KJ DEG C)), value 100.
2. organizational controls method is forged in nickel-base alloy footpath according to claim 1, it is characterised in that the alloy is dynamically tied again
The value Q of crystalline substance activation energy to hot compression sample tissue and load-deformation curve comprehensive analysis by obtaining.
3. organizational controls method is forged in nickel-base alloy footpath according to claim 2, it is characterised in that the hot compression sample group
Knit the head for being collected in the Nickel base alloy cast ingot prepared in the step a) or afterbody.
4. organizational controls method is forged in nickel-base alloy footpath according to claim 1, it is characterised in that described is the forging of the n-th passage
The value for making temperature (DEG C) is calculated through equation below：
N-th passage forging temperature T (DEG C)=- 120 DEG C of-n × 20 DEG C of ingot casting tapping temperature (DEG C)；In formula：N is passage numerical value, is taken
Be worth for 1,2 ... preset number.
5. organizational controls method is forged in nickel-base alloy footpath according to claim 1, it is characterised in that in the step a), adopted
Smelted with vacuum induction+technique of electroslag remelting or the technique of vacuum induction smelting+vacuum consumable prepares Nickel base alloy cast ingot.
6. organizational controls method is forged in nickel-base alloy footpath according to claim 1, it is characterised in that it is described b) in, to preparing
The process that the obtained ingot casting is heated is：
The ingot casting is heated to preset temperature, and preset duration is incubated under preset temperature.
, will 7. organizational controls method is forged in nickel-base alloy footpath according to claim 1, it is characterised in that in the step c)
The ingot casting after heating carries out the footpath forging of multiple passages, completes after the forging process of footpath, total forging ratio is more than 2.
8. organizational controls method is forged in nickel-base alloy footpath according to claim 1, it is characterised in that
In the step c), in the footpath forging process to the passage of preceding preset number, the control to the forging deflection of each passage
Scope processed is 12%-30%.
9. the nickel-base alloy footpath forging organizational controls method according to claim any one of 1-8, it is characterised in that described default
Number is 4.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371344A (en) * | 2018-11-07 | 2019-02-22 | 成都先进金属材料产业技术研究院有限公司 | The forging technology of GH4169 alloy bar material |
| CN110331352A (en) * | 2019-08-20 | 2019-10-15 | 太原钢铁(集团)有限公司 | A kind of diameter forging method controlling nickel-base alloy distribution of carbides |
| CN110548827A (en) * | 2018-05-31 | 2019-12-10 | 宝钢特钢有限公司 | forging method for improving yield of nickel-based corrosion-resistant alloy forging stock |
| CN110695282A (en) * | 2019-10-22 | 2020-01-17 | 成都先进金属材料产业技术研究院有限公司 | Preparation method of GH3128 alloy bar |
| CN110756613A (en) * | 2019-10-30 | 2020-02-07 | 成都先进金属材料产业技术研究院有限公司 | Preparation method of small-ingot-shaped GH3128 alloy bar |
| CN111036811A (en) * | 2019-12-11 | 2020-04-21 | 贵州航宇科技发展股份有限公司 | High-temperature alloy forging heat treatment method and product thereof |
| CN111036810A (en) * | 2019-12-11 | 2020-04-21 | 贵州航宇科技发展股份有限公司 | High-temperature alloy forging and heat treatment method |
| CN112589026A (en) * | 2020-12-03 | 2021-04-02 | 成都先进金属材料产业技术研究院有限公司 | Cold machining method of GH4099 high-temperature alloy wire |
| CN112658048A (en) * | 2020-11-30 | 2021-04-16 | 成都先进金属材料产业技术研究院有限公司 | Cold machining method of GH4169 high-temperature alloy wire for spring wire |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110548827A (en) * | 2018-05-31 | 2019-12-10 | 宝钢特钢有限公司 | forging method for improving yield of nickel-based corrosion-resistant alloy forging stock |
| CN110548827B (en) * | 2018-05-31 | 2021-11-12 | 宝武特种冶金有限公司 | Forging method for improving yield of nickel-based corrosion-resistant alloy forging stock |
| CN109371344A (en) * | 2018-11-07 | 2019-02-22 | 成都先进金属材料产业技术研究院有限公司 | The forging technology of GH4169 alloy bar material |
| CN110331352A (en) * | 2019-08-20 | 2019-10-15 | 太原钢铁(集团)有限公司 | A kind of diameter forging method controlling nickel-base alloy distribution of carbides |
| CN110695282A (en) * | 2019-10-22 | 2020-01-17 | 成都先进金属材料产业技术研究院有限公司 | Preparation method of GH3128 alloy bar |
| CN110756613B (en) * | 2019-10-30 | 2021-07-13 | 成都先进金属材料产业技术研究院有限公司 | Preparation method of small-ingot-shaped GH3128 alloy bar |
| CN110756613A (en) * | 2019-10-30 | 2020-02-07 | 成都先进金属材料产业技术研究院有限公司 | Preparation method of small-ingot-shaped GH3128 alloy bar |
| CN111036810A (en) * | 2019-12-11 | 2020-04-21 | 贵州航宇科技发展股份有限公司 | High-temperature alloy forging and heat treatment method |
| CN111036811A (en) * | 2019-12-11 | 2020-04-21 | 贵州航宇科技发展股份有限公司 | High-temperature alloy forging heat treatment method and product thereof |
| CN111036810B (en) * | 2019-12-11 | 2022-05-13 | 贵州航宇科技发展股份有限公司 | High-temperature alloy forging and heat treatment method |
| CN111036811B (en) * | 2019-12-11 | 2022-05-13 | 贵州航宇科技发展股份有限公司 | High-temperature alloy forging heat treatment method and product thereof |
| CN112658048A (en) * | 2020-11-30 | 2021-04-16 | 成都先进金属材料产业技术研究院有限公司 | Cold machining method of GH4169 high-temperature alloy wire for spring wire |
| CN112589026A (en) * | 2020-12-03 | 2021-04-02 | 成都先进金属材料产业技术研究院有限公司 | Cold machining method of GH4099 high-temperature alloy wire |
| CN112589026B (en) * | 2020-12-03 | 2022-05-24 | 成都先进金属材料产业技术研究院有限公司 | Cold machining method of GH4099 high-temperature alloy wire |
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